Question 1

Which of the following is a key feature of India's Ballistic Missile Defence (BMD) system?

Accepted Answer

India's Ballistic Missile Defence system is a two-tier air defence system designed to neutralize aircraft, cruise missiles, and ballistic missiles. The system consists of two variants: the Prithvi Air Defence (PAD) system for high-altitude interception (above 40 km) and the Advanced Air Defence (AAD) system for lower-altitude interception (below 40 km). Both are indigenously developed by DRDO (Defence Research and Development Organisation). The BMD system was successfully tested multiple times, with notable tests in 2007 and subsequent years, establishing India as one of the few nations with such advanced missile defence capability.

Question 2

Which defence technology uses unmanned aerial vehicles (UAVs) equipped with cameras and sensors for surveillance and reconnaissance missions?

Accepted Answer

Unmanned Aerial Vehicles (UAVs), commonly known as drones, are aircraft without onboard pilots. They are equipped with cameras, infrared sensors, and other surveillance equipment. India operates UAVs like the Rustom and Nishant for military reconnaissance and surveillance.

Question 3

The Akash missile system, developed by India's DRDO, is primarily designed for which type of air defence?

Accepted Answer

The Akash missile is a medium-range surface-to-air guided missile system developed by the Defence Research and Development Organisation (DRDO). It is designed to defend against aircraft, helicopters, cruise missiles, and unmanned aerial vehicles (UAVs) at medium altitudes.

Question 4

Which stealth fighter aircraft, developed by India's HAL (Hindustan Aeronautics Limited), is designed for air-to-air and air-to-ground combat?

Accepted Answer

The HAL Tejas is India's light combat aircraft (LCA) developed by Hindustan Aeronautics Limited. It is a single-engine, delta-wing aircraft designed for multi-role operations. The Tejas has been inducted into the Indian Air Force since 2016.

Question 5

The BrahMos missile, a joint venture between India and which country, is a supersonic cruise missile used by the Indian Armed Forces?

Accepted Answer

BrahMos is a supersonic cruise missile developed jointly by India (DRDO) and Russia (NPO Mashinostroyeniya). It is named after two rivers: Brahmaputra (India) and Moskva (Russia). It has a speed of Mach 2.8 to 3.0.

Question 6

Which Indian defence technology system is designed to detect and track aircraft, missiles, and ships at long range using electromagnetic waves?

Accepted Answer

Radar (Radio Detection and Ranging) is a detection system that uses radio waves to identify the presence, direction, distance, and speed of objects. India operates several radar systems including the Indra radar and Aesa radar variants for air defence.

Question 7

Which of the following is the primary propulsion system used in India's Arihant-class submarines?

Accepted Answer

The INS Arihant, India's first indigenous nuclear-powered ballistic missile submarine (SSBN), is propelled by a pressurized heavy-water reactor (PHWR)-based nuclear propulsion system. This reactor provides the submarine with virtually unlimited underwater endurance and forms the backbone of India's sea-based nuclear deterrent under the nuclear triad. The Arihant-class submarines are designed and built by the Mazagon Dock Shipbuilders Limited (MDL) in Mumbai. Therefore, the answer is B.

Question 8

Which of the following is the primary operational range of the BrahMos cruise missile, one of India's most advanced defence systems?

Accepted Answer

The BrahMos cruise missile, a joint Indo-Russian venture, has an operational range of 290 km in its standard configuration. This supersonic cruise missile is one of the fastest in the world, traveling at speeds of Mach 2.8 to 3.0. The 290 km range makes it a critical component of India's defence strategy for both land and naval platforms. The missile was first successfully test-fired in 2001 and has been progressively upgraded. The range specification of 290 km is a static technical characteristic of the weapon system as operationally deployed by the Indian Armed Forces.

RRB Group D Defence Technology

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